Meaning of the word "clean energy" in English

What does "clean energy" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

clean energy

US /klin ˈenərʤi/
UK /klin ˈenəʤi/

Noun

energy that does not pollute the environment

Example:
The government is investing heavily in clean energy sources.
Solar and wind power are examples of clean energy.